Application Example - Two-Channel Safety Door Monitoring With Dropout Delayed Contacts And Manual Reset (With Cross-Circuit Detection) - Eaton ESR5-NV3-300 Manual

15 Application example - Two-channel safety door monitoring with dropout delayed contacts and manual
15 Application example - Two-channel safety door monitoring with dropout
delayed contacts and manual reset (with cross-circuit detection)
• Two-channel safety door monitoring with two position switches
• Cross-circuit detection/ground fault detection (S11, S12 only)
• Manual reset (S33, S34)
• Feedback of contactor contacts K5, K6, K7, K8 at Y1 and Y2
• Switch-off delay at K7 and K8
• Stop category 0, 1
• Monitoring of external contactors
• Safety level drive 1 PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
• Safety level drive 2 PL d (EN ISO 13849-1) and SIL 2 (EN 62061)
L+
(L1)
Safety door
open
21
B1
22
B2
closed
A1 S10 S11 S12
( ) (+) ( ) (GND)
ESR5-NV3-300
( ) ( )
(+)
A2 S33 S34 S35
Reset
S2
M
(N)
Figure 14: Two-channel safety door monitoring with dropout delayed contacts
and manual reset
ESR5-NV3-300 12/19 MN049006EN www.eaton.com
13
14
S21 S22 13 23 33
( )
1
ON
2
3
OFF
4
5
A B
( )
6
(+)
Y1 Y2 14 24 34
K5
K6
K5
K7
K6
K8
reset (with cross-circuit detection)
Drive 1
41 57 67
K5
58
42 68 K6
M
K7
K8
Drive 2
K7
K8
M
21